Grand AM L4-121 2.0L (1988)

Blower Motor: Initial Inspection and Diagnostic Overview
With Air Conditioning
NOTE: Try the following checks before proceeding to the Symptom Table.
1. Check the H-A/C Fuse by visual inspection.
2. Check Fusible Link C by visual inspection.
3. Check that ground G100 is clean and tight.
4. Check that the Blower Motor Connectors and High Blower Relay are mated correctly and firmly seated.
5. If Blower runs all of the time with ignition OFF, replace the High Blower Relay.
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Refer to the Symptom Table if conditions are other than normal. See: Symptom Related Diagnostic Procedures/With Air Conditioning
System Check
System Check Table.
1. Use the System Check Table as a guide to normal operation.
2. Refer to System Diagnosis for a list of symptoms and diagnostic steps.
3. Refer to System Diagnosis when a result is not normal.
Troubleshooting Hints
NOTE: Try the following checks before doing the System Check.
1. If the Blower Motor does not operate at all, check the H-A/C Fuse.
2. If the Blower Motor does not operate at all, check that ground G105 is clean and tight.
3. If the Blower Motor does not turn off, install a new Blower Switch.